The Bolt,hook, cataloged under National Stock Number 5306-01-308-2161, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-308-2161 |
| Item Name | Bolt,hook |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Distance From Inside of Bend to Shank End | 0.880 INCHES NOMINAL IN |
| Thread Length | 0.400 INCHES NOMINAL IN |
| Hook Inside Width | 0.187 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Material Document and Classification | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.112 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Inside Center of Bend to Hook End | 0.300 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 302 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 324359-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-308-2161 is a Bolt,hook, classified under FSC 5306, Bolts. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5995-01-602-4264. Verify interchangeability with system specifications before substitution.
Key specifications for 5306-01-308-2161: Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Distance From Inside of Bend to Shank End: 0.880 INCHES NOMINAL IN; Thread Length: 0.400 INCHES NOMINAL IN; Hook Inside Width: 0.187 INCHES NOMINAL IN. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.